Datasheet > LM4510

LM4510

更新时间： 2024-09-27 11:14:03

品牌	Logo	应用领域
德州仪器 - TI		转换器
页数	文件大小	规格书
29页	6010K
描述
具有完全关断隔离的同步降压直流/直流转换器

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LM4510

SNVS533D –SEPTEMBER 2007–REVISED NOVEMBER 2014

LM4510 Synchronous Step-Up DC/DC Converter with True Shutdown Isolation

1 Features

3 Description

The LM4510 is a current mode step-up DC/DC

•

18 V@ 80 mA from 3.2 V Input

5 V @ 280 mA from 3.2 V Input

No External Schottky Diode Required

85% Peak Efficiency

converter with

a 1.2-A internal NMOS switch

•

designed to deliver up to 120 mA at 16 V from a Li-

Ion battery.

The device's synchronous switching operation (no

external Schottky diode) at heavy-load, and non-

synchronous switching operation at light-load,

maximizes power efficiency.

Soft Start

True Shutdown Isolation

Stable with Small Ceramic or Tantalum Output

Capacitors

True shutdown function by synchronous FET and

related circuitry ensures input and output isolation.

•

Output Short-Circuit Protection

Feedback Fault Protection

A programmable soft-start circuit allows the user to

limit the amount of inrush current during start-up. The

output voltage can be adjusted by external resistors.

Input Undervoltage Lock Out

Thermal Shutdown

The LM4510 features advanced short-circuit

protection to maximize safety during output to ground

short condition. During shutdown the feedback

resistors and the load are disconnected from the

input to prevent leakage current paths to ground.

0.002-µA Shutdown Current

Wide Input Voltage Range: 2.7 V to 5.5 V

1-MHz Fixed Frequency Operation

Low-profile 10-pin WSON Package (3 mm x 3 mm

x 0.8 mm)

Device Information⁽¹⁾

PART NUMBER

LM4510

PACKAGE

BODY SIZE (NOM)

2 Applications

WSON (10)

3.00 mm x 3.00 mm

•

Organic LED Panel Power Supply

Charging Holster

(1) For all available packages, see the orderable addendum at

the end of the datasheet.

White LED Backlight

space

USB Power Supply

Class D Audio Amplifier

Camera Flash LED Driver

Typical Application Circuit

Efficiency at V_OUT= 16 V

L = 4.7 PH

2.7V ± 5.5V

100

V = 4.5V

= 5.5V

OUT

16.0V

VIN

SW VOUT

240k

4.7 PF

V_IN= 3.6V

OUT

10 PF

LOAD

COMP

AGND

20.5k

= 2.7V

10 nF

46.4k

15 pF

PGND

2.2 nF

5 10 15 20 25 30 35 40 45 50 55 60 65 70

(mA)

OUT

An IMPORTANT NOTICE at the end of this data sheet addresses availability, warranty, changes, use in safety-critical applications,

intellectual property matters and other important disclaimers. PRODUCTION DATA.

12 3 4 5 6 7...29

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与LM4510相关器件

型号	品牌	获取价格	描述	数据表
LM4510SD	NSC	获取价格	Synchronous Step-Up DC/DC Converter with True Shutdown Isolation
LM4510SD/NOPB	NSC	获取价格	IC 1.8 A SWITCHING REGULATOR, 1200 kHz SWITCHING FREQ-MAX, DSO10, 3 X 3 MM, 0.80 MM HEIGHT
LM4510SD/NOPB	TI	获取价格	具有完全关断隔离的同步降压直流/直流转换器 \| DSC \| 10 \| -40 to 85
LM4510SDX	NSC	获取价格	Synchronous Step-Up DC/DC Converter with True Shutdown Isolation
LM4510SDX/NOPB	TI	获取价格	具有完全关断隔离的同步降压直流/直流转换器 \| DSC \| 10 \| -40 to 85
LM4540	NSC	获取价格	AC ’97 Codec with National 3D Sound
LM4540VH	NSC	获取价格	AC ’97 Codec with National 3D Sound
LM4543	NSC	获取价格	AC ’97 Codec with National 3D Sound
LM4543VH	NSC	获取价格	AC ’97 Codec with National 3D Sound
LM4543VHX	NSC	获取价格	IC SPECIALTY CONSUMER CIRCUIT, PQFP48, 7 X 7 MM, 1.40 MM HEIGHT, TQFP-48, Consumer IC:Othe

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